Home / 13,351.64-18,424.46-7,382.95

Finding the Fourth Proportional to 13,351.64, 18,424.46 and 7,382.95

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Solution

The fourth proportional to 13,351.64, 18,424.46 and 7,382.95 is: 10,188.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,351.64 : 18,424.46 = 7,382.95 : x
  2. Step 2: Convert to fraction form
    13,351.64/18,424.46 = 7,382.95/x
  3. Step 3: Cross multiply
    13,351.64x = 18,424.46 × 7,382.95
  4. Step 4: Simplify right side
    13,351.64x = 136,026,839.35
  5. Step 5: Solve for x
    x = 136,026,839.35/13,351.64
  6. Step 6: Final answer
    x = 10,188.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.